316.9% is the change from 71 to 296
Calculation steps:
[( 296 - 71 ) ÷ 71] x 100 = 316.9%
Formula
Percentage change = [(296 - 71) / 71] x 100
Subtract the new number by the original number
296 - 71 = 225
225 ÷ 71 = 3.1690140845070425
3.1690140845070425 x 100 = 316.9%